An electronic cash register including a printing member comprising a means for presetting a validation printing operation request when said cash register is needed to produce a desired validation print...
An electronic cash register comprises a control switch for allowing and prohibiting printing and issuance of a receipt according to input data introduced by input keys and a delay circuit for deferring...
A data processing apparatus for an electronic cash register comprises a keyboard having a plurality of entry keys, a printer, a memory unit, an interface circuit with which a memory pack storing sales...
An electronic apparatus provided with a device for figuring out a change amount and for automatically dispensing coins as part of said change, which further comprises a system of displaying to a customer...
An electronic cash register comprises a keyboard including a data input key and a time zone setting key; a central processing unit coupled to the keyboard; a memory coupled to the central processing unit...
An electronic cash register comprises a keyboard having a plurality of numeral entry keys and function keys, a drawer to be opened after the depression of a specified function key, a printer for printing...
An electronic cash register comprises a keyboard having a data input key and a void key, a central processor unit coupled to the keyboard and a read only memory coupled to the central processor unit, the...
A calculator system is provided using a stored program data processor and an audio message subsystem to process digital information and to provide audio messages for operator interaction. The calculator...
An electronic cash register comprising: a power source for energization of said electronic cash register, a power recovery detecting circuit operatively coupled to said power source for detecting the power...
